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Finding the Fourth Proportional to 119,558, 179,140.18 and 83,538.11

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Solution

The fourth proportional to 119,558, 179,140.18 and 83,538.11 is: 125,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,558 : 179,140.18 = 83,538.11 : x
  2. Step 2: Convert to fraction form
    119,558/179,140.18 = 83,538.11/x
  3. Step 3: Cross multiply
    119,558x = 179,140.18 × 83,538.11
  4. Step 4: Simplify right side
    119,558x = 14,965,032,062.26
  5. Step 5: Solve for x
    x = 14,965,032,062.26/119,558
  6. Step 6: Final answer
    x = 125,169.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.